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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Yokohama, Japan on October 10, 2026, the Princess Cruises ship Diamond Princess runs this 18-night Grand Circle Japan sailing. It's a classic Asia cruise. Travelers sailing in October can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Akita, Japan, Toyama, Japan, with 12 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Yokohama, Japan is a scheduled port of call on day 1 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.
Day 2 of 19 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan itinerary.
Akita, Japan is a scheduled port of call on day 3 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.
Toyama, Japan is a scheduled port of call on day 4 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 61°F.
Tsuruga, Japan is a scheduled port of call on day 5 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 70°F.
Sakaiminato, Japan is a scheduled port of call on day 6 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.
Busan, South Korea is a scheduled port of call on day 7 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 67°F.
Nagasaki, Japan is a scheduled port of call on day 8 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 76°F.
Day 9 of 19 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan itinerary.
Yokohama, Japan is a scheduled port of call on day 10 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 69°F.
Day 11 of 19 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan itinerary.
Nagasaki, Japan is a scheduled port of call on day 12 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 76°F.
Busan, South Korea is a scheduled port of call on day 13 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 65°F.
Day 14 of 19 is a day at sea aboard Diamond Princess, cruising between ports on the Grand Circle Japan itinerary.
Hiroshima, Japan is a scheduled port of call on day 15 of the 18-night Grand Circle Japan cruise on Diamond Princess. Expected weather: partially cloudy with highs near 73°F.
Aburatsu, Japan is a scheduled port of call on day 16 of the 18-night Grand Circle Japan cruise on Diamond Princess.
Tokushima, Japan is a scheduled port of call on day 17 of the 18-night Grand Circle Japan cruise on Diamond Princess.
Shimizu, Japan is a scheduled port of call on day 18 of the 18-night Grand Circle Japan cruise on Diamond Princess.
Yokohama, Japan is a scheduled port of call on day 19 of the 18-night Grand Circle Japan cruise on Diamond Princess.
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